Who's there?

Brent Simmons

Brent has been writing apps for Apple computers for over 30 years, since his first Apple II Plus in 1980. His professional apprenticeship was at UserLand Software where he worked on Frontier and on Manila, an early blog platform. Later he created apps such as NetNewsWire, TapLynx, Glassboard, and MarsEdit. Brent lives in Seattle with his wife Sheila and his cat Papa, who’s named for both Ernest Hemingway and the great designated hitter Edgar Martinez.

He has written apps for the iPhone and the iPad since the SDKs first appeared and has written programs for the Mac all the way back to System 7.

Daniel presents iPhone, Cocoa, and Swift training and consults through his company Dim Sum Thinking. His books are available on the iBookstore. When he’s not coding or talking about coding for the Mac, the iPhone, and the iPad he’s probably cooking or hanging out with his daughter.

Dave DeLong

A seven-year veteran of Apple, Dave DeLong is an accomplished iOS engineer with a passion for teaching, and hacking the Objective-C runtime. During his time at Apple, he worked on the UIKit framework, Developer Evangelism, and Apple Maps. He currently works on the Product Experience team at Snap, Inc.

Dave, his family, and his large collection of bowties live near Salt Lake City, where he’s an active member of the local developer community. He can often be found on Twitter teaching developers about all the ways that calendrical calculations can go wrong and pontificating on the virtues of eating chocolate with peanut butter.

Jaimee Newberry

Jaimee Newberry is the CEO of Picture This Clothing. She brings industry leadership and experience gained from advising C-level and senior management teams at startups, agencies, and Fortune 500 companies. Her insight, practices, and a personal ecology have proven to elevate the culture, processes and quality of high-performance software design and development teams worldwide and now manifests through her own company and brand. Across her career, Jaimee has worked with Audi, Apple, Barnes & Noble, Disney, McDonalds, Nintendo, Zappos, and many more. Jaimee is a professional experimenter, speaker, and writer who lives, learns and fumbles out loud. She’s also the independent mother of two girls and two cats, and girlfriend of a beautiful, shy man who likes to remain mostly anonymous.

James Dempsey

James Dempsey is a fifteen-year Apple veteran gone indie. At Apple, he was an evangelist, technical trainer, curriculum manager, and software engineer, working on Aperture, iOS, and macOS releases Leopard through Lion. James recently set back out on his own after working to build a cloud computer for humankind’s information at Upthere. He is also the frontman of James Dempsey and the Breakpoints, a band that performs humorous original songs about technical topics. Their debut album Backtrace topped the iTunes comedy charts in the US, UK, and Canada, and reached #5 on the Billboard comedy album chart.

Marcus Zarra

Marcus S. Zarra has been developing Cocoa software since 2003, Java software since 1996, and has been in the industry since 1985. Currently Marcus is producing software for iOS and OS X. In addition to writing software, he assists other developers by blogging about development and supplying code samples on Cocoa Is My Girlfriend. Marcus is also the author of:

Rob Napier

Rob is co-author of iOS Programming Pushing the Limits. Before coming to Cocoa, he made his living sneaking into Chinese facilities in broad daylight. Later he became a Mac developer for Dell. It's not clear which was the stranger choice. He has a passion for the fiddly bits below the surface, like networking, performance, security, and text layout. He asks "but is it good Swift?" a lot.